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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Cobweb Spiders (Theridiidae) » Widow Spiders (Latrodectus) » Western Black Widow (Latrodectus hesperus)
Photo#2047034
Black Spider - Latrodectus hesperus
Copyright © 2021 Laurren

Black Spider - Latrodectus hesperus
Minden, Douglas County, Nevada, USA
September 27, 2021
Size: Approx 1.5”
All black, with a ribbon shaped white marking at the front top side of abdomen. Was unable to see the underside of the spider.
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Contributed by Laurren on 4 October, 2021 - 4:03pm
Last updated 4 October, 2021 - 7:28pm

Moved
Moved from ID Request.

The residual juvenile markings on this spider identify it as a black widow. In this region, it'd be a western black widow.

Guidance for telling western black widows from brown widows in the southwestern US can be found here. https://cisr.ucr.edu/invasive-species/how-identify-brown-widow-spiders
… chuuuuung, 4 October, 2021 - 7:28pm login or register to post comments

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